Schunk Carbon Technology Gmbh

Ludwig Kain

Markus Weber

Florian Huber

Marcus Hemetsberger

Joachim Kurz

Stephen Matthey

Marco Etzlstorfer

The invention relates to a brush module () for an electric machine and to a method for mounting such a brush module, the brush module having a brush () for forming an electric contact with a slip ring, the brush module having an mounting device () and a brush holder () for accommodating and holding the brush, the mounting device being realized as a U-shaped sheet-metal bracket () which engages over the brush holder, the sheet-metal bracket having laterally protruding fastening tabs () for fastening the brush holder to an mounting surface (), an access opening () being formed in the brush holder, a retaining tab, which is formed on a fastening tab of the sheet-metal bracket, engaging in the access opening and holding the brush in the brush holder in a retaining position () in a form-fitting manner, the fastening tab having the retaining tab being inclined at an angle α relative to the mounting surface of the brush holder.

Brush module and assembly method

A discharge device for discharging electric currents in a machine from a rotor part to a stator part, the rotor part in particular having a shaft, the discharge device comprising a contact element and a spring being connectable to the stator part in an electrically conductive manner, the contact element made predominantly of carbon, the contact element pressurized with a contact force by the spring for realizing an electrically conductive sliding contact between a sliding contact surface of the contact element and an axial shaft contact surface of the shaft. The contact element is circular, the sliding contact surface being at least annular in shape and disposed coaxially in relation to the shaft contact surface, the spring includes a circular support section which at least in part coaxially envelops the shaft of the machine, the support section being configured for radially abutting against an abutment surface of the stator part.

Discharge device for discharging electric currents

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Bad Goisern, Austria

Ludwig Kain